What does OSO mean in Governmental & Military

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All OSO meanings

What does OSO stand for?

OSO stands for "Orbiting Solar Observatory"

How to abbreviate "Orbiting Solar Observatory"?

"Orbiting Solar Observatory" can be abbreviated as OSO

What is the meaning of OSO abbreviation?

The meaning of OSO abbreviation is "Orbiting Solar Observatory"

What does OSO mean?

OSO as abbreviation means "Orbiting Solar Observatory"